阅读说明：本技术 一种挤出机 (Extruding machine ) 是由 高平绪 王荣 于 2020-04-26 设计创作，主要内容包括：本发明公开了一种挤出机,属于挤出机机械技术领域,其包括机柜和设置于所述机柜内的原料输送模块、熔喷模块和卷收模块,其中,还包括余热回收装置和预热装置；将原料输送模块、熔喷模块和卷收模块一体化设计,罩设于机柜内,相比于传统设备,一方面结构更为紧凑,工作现场更整洁,另一方面,设备放置于机柜内,工作环境密闭,有效防止空气中漂浮的尘埃掉落于熔喷布上,且显著降低了工作噪音水平；此外,设置的余热回收装置,将经喷丝板模具喷出的高温气流回收、过滤供给给加热装置对物料输送管道进一步加热,提高热能转化效率；新增成像检测装置也是替代了传统人工筛检的方式,瑕疵发现及时,喷丝板模具修整及时,生产效率显著提高。(The invention discloses an extruder, which belongs to the technical field of extruder machinery and comprises a cabinet, a raw material conveying module, a melt-blown module and a winding module, wherein the raw material conveying module, the melt-blown module and the winding module are arranged in the cabinet; the raw material conveying module, the melt-blown module and the winding module are designed integrally and are covered in the cabinet, so that compared with the traditional equipment, on one hand, the structure is more compact, the working site is cleaner and tidier, on the other hand, the equipment is placed in the cabinet, the working environment is closed, dust floating in the air is effectively prevented from falling on melt-blown cloth, and the working noise level is obviously reduced; in addition, the arranged waste heat recovery device recovers and filters high-temperature air flow sprayed out by the spinneret plate die and supplies the high-temperature air flow to the heating device to further heat the material conveying pipeline, so that the heat energy conversion efficiency is improved; the newly-added imaging detection device also replaces the traditional manual screening mode, flaws are found in time, a spinneret plate die is trimmed in time, and the production efficiency is obviously improved.)

1. The extruder is characterized by comprising a cabinet, and a raw material conveying module, a melt-blowing module and a winding module which are arranged in the cabinet;

the raw material conveying module comprises a main frame body, a material conveying pipeline, a screw extruder, a screen changer and an elliptical metering pump; the main frame body is welded on the inner side wall of the cabinet; the material conveying pipeline is supported on the main frame body, a feeding hopper, a screen changer and an elliptical metering pump are sequentially connected in series with the material conveying pipeline, a feeding port of the feeding hopper penetrates through the cabinet, and a plurality of heating devices are wrapped on the outer wall of the material conveying pipeline between the feeding hopper and the screen changer; the screw extruder comprises a screw and a screw motor, the screw is inserted into the inner cavity of the material conveying pipeline, the screw motor is installed on the main frame body, a driving belt pulley is sleeved on an output shaft of the screw motor, a driven belt pulley is sleeved on the end part of the screw, and a belt is sleeved between the driving belt pulley and the driven belt pulley;

the melt-blown module comprises a spinneret plate die, a Roots blower and an air heater; the spinneret plate die is supported on the main frame body and communicated with the material conveying pipeline; the Roots blower is fixed on the main frame body, the air heater is fixed on the main frame body, an air inlet of the air heater is connected with the Roots blower, and an air outlet pipeline of the air heater is connected with the spinneret plate die;

the winding module comprises an auxiliary frame body, a net-forming conveying belt, a guide roller, a slitting roller, an electrostatic device and a winding roller; the auxiliary frame body is welded on the inner side wall of the cabinet; the auxiliary frame body is sequentially provided with the web forming conveying belt, the guide roller and the furling roller, the web forming conveying belt is arranged right below the spinneret plate die, and the slitting roller is arranged on the auxiliary frame body and arranged on one side of a guide path of the guide roller; the static device comprises a static electret and a high-voltage generator, the static electret is erected on the auxiliary frame body and arranged on one side of the guide path of the guide roller, and the high-voltage generator is arranged on the auxiliary frame body and electrically connected to the static electret.

2. The extruder according to claim 1, wherein each heating device comprises a heating bin and a blower, the heating bin is wrapped around the material conveying pipeline, the blower is arranged outside the heating bin and blows air into the heating bin, an air outlet is formed in the side wall of the heating bin, the blower comprises a blower body and a blower motor, the blower bodies are covered in a heat energy tank, and the blower motor of each blower extends out of the heat energy tank; the spinning plate die is characterized by further comprising a waste heat recovery device, the waste heat recovery device comprises a waste heat collecting box, the waste heat collecting box supports the web-formed conveying belt, the waste heat collecting box is arranged right opposite to the spinning plate die, a plurality of through holes are densely distributed on the end face of the waste heat collecting box right opposite to the spinning plate die, and the end face of the waste heat collecting box is communicated with the heat energy box through a pipeline.

3. The extruder of claim 2 wherein the waste heat collection tank is filled with filter cotton.

4. The extruder as claimed in claim 2, further comprising a preheating device, wherein the preheating device comprises a preheating bin and a preheating hopper, the preheating bin is arranged on the main frame body and communicated with an air outlet of each heating bin, the preheating hopper is buckled above an air inlet of the Roots blower, and the preheating bin and the preheating hopper are connected through a pipeline.

5. The extruder of claim 1, further comprising a control device, wherein the control device comprises an imaging detection sub-device, a comparison sub-device, a P L C and a spinneret plate die conducting sub-device, the imaging detection sub-device is erected on the auxiliary frame body and used for shooting and collecting a melt-blown curtain formed by melt-blowing of the spinneret plate die, the comparison sub-device is used for receiving data collected by the imaging detection sub-device, comparing the data with historical data, transmitting the difference information to the P L C after the difference information is compared, and the P L C drives the spinneret plate die conducting sub-device erected on the auxiliary frame body to conduct the spinneret plate die through a driving circuit.

6. The extruder of claim 1, wherein the cabinet is provided with observation windows corresponding to the raw material conveying module, the melt-blowing module and the furling module, and the observation windows are provided with transparent partition plates.

7. The extruder of claim 1, wherein the cabinet defines a plurality of access openings.

8. The extruder of any one of claims 1, 6 and 7, wherein the cabinet has a double-layer structure, and a sound insulation material is filled in a sandwich layer of the cabinet.

Technical Field

The application belongs to the technical field of extruder machinery, and particularly relates to an integrally designed extruder with a compact structure and excellent energy consumption management.

Background

Extruders are commonly used to heat or melt a fixed input material (e.g., plastic, or thermoplastic material) and extrude the material in a flowable or molten state; the extruded or output material is melt-blown on a web-forming conveyor belt through a spinneret die, and is widely used in the field of mask production.

The existing extruder consists of a screw conveyer, a spinneret plate die and a winding component, all the components are separately and independently arranged, an air heater, an air compressor and the like required by the spinneret plate die in a working site are prevented from being scattered, the pipeline lines are connected in a messy manner, when the melt-blown fabric is produced and processed by the open-design structure, dust in the air easily pollutes the melt-blown fabric, high-temperature gas sprayed out by the spinneret plate die is randomly discharged in the working site, on one hand, a large amount of heat energy is wasted, and on the other hand, the high-temperature gas mixed with the smell of a molten material damages the body of an operator; in addition, the operating noise of a completely open installation is also extremely high.

Disclosure of Invention

The invention aims to provide an extruder, wherein a raw material conveying module, a melt-blown module and a winding module are integrally designed and are covered in a cabinet, compared with the traditional equipment, the extruder has the advantages that on one hand, the structure is more compact, the working site is cleaner, on the other hand, the equipment is arranged in the cabinet, the working environment is closed, dust floating in the air is effectively prevented from falling on melt-blown cloth, and the working noise level is obviously reduced.

In order to solve the technical problems of complicated structure, easy pollution caused by open working environment and high working noise of the melt-blown extruder in the prior art, the invention provides an extruder which comprises a cabinet, and a raw material conveying module, a melt-blown module and a winding module which are arranged in the cabinet;

the raw material conveying module comprises a main frame body, a material conveying pipeline, a screw extruder, a screen changer and an elliptical metering pump; the main frame body is welded on the inner side wall of the cabinet; the material conveying pipeline is supported on the main frame body, a feeding hopper, a screen changer and an elliptical metering pump are sequentially connected in series with the material conveying pipeline, a feeding port of the feeding hopper penetrates through the cabinet, and a plurality of heating devices are wrapped on the outer wall of the material conveying pipeline between the feeding hopper and the screen changer; the screw extruder comprises a screw and a screw motor, the screw is inserted into the inner cavity of the material conveying pipeline, the screw motor is installed on the main frame body, a driving belt pulley is sleeved on an output shaft of the screw motor, a driven belt pulley is sleeved on the end part of the screw, and a belt is sleeved between the driving belt pulley and the driven belt pulley;

the melt-blown module comprises a spinneret plate die, a Roots blower and an air heater; the spinneret plate die is supported on the main frame body and communicated with the material conveying pipeline; the Roots blower is fixed on the main frame body, the air heater is fixed on the main frame body, an air inlet of the air heater is connected with the Roots blower, and an air outlet pipeline of the air heater is connected with the spinneret plate die;

the winding module comprises an auxiliary frame body, a net-forming conveying belt, a guide roller, a slitting roller, an electrostatic device and a winding roller; the auxiliary frame body is welded on the inner side wall of the cabinet; the auxiliary frame body is sequentially provided with the web forming conveying belt, the guide roller and the furling roller, the web forming conveying belt is arranged right below the spinneret plate die, and the slitting roller is arranged on the auxiliary frame body and arranged on one side of a guide path of the guide roller; the static device comprises a static electret and a high-voltage generator, the static electret is erected on the auxiliary frame body and arranged on one side of the guide path of the guide roller, and the high-voltage generator is arranged on the auxiliary frame body and electrically connected to the static electret.

Further, the extruder provided by the invention is characterized in that each heating device comprises a heating bin and an air blower, the heating bin is wrapped on the material conveying pipeline, the air blower is arranged outside the heating bin and blows air into the heating bin, an air outlet is formed in the side wall of the heating bin, the air blower comprises a blower body and an air blower motor, the blower bodies are covered in a heat energy box, and the air blower motor of each air blower extends out of the heat energy box; the waste heat recovery device comprises a waste heat collecting box, the waste heat collecting box supports the web-formed conveyer belt, the waste heat collecting box is arranged right opposite to the spinneret plate die, a plurality of through holes are densely distributed on the end face of the waste heat collecting box right opposite to the spinneret plate die, and the end face of the waste heat collecting box is communicated with the heat energy box through a pipeline; the heating device is provided with a heat recovery device, and the high-temperature air flow sprayed out from the spinneret plate die is recovered and then sent to the heating device by considering the heating requirement of the heating device on raw materials, so that the waste heat of the high-temperature air flow is secondarily utilized, and the heat energy conversion efficiency is effectively improved.

Further, the invention provides the extruder, wherein the waste heat collecting box is filled with filter cotton; this setting is when considering to carry out recycle to the high temperature gas, because the large granule molecule that is mingled with the melting raw materials in the high temperature gas, has stronger smell, and direct guide to heating device is not handled, can deposit on heating device top layer, is difficult for clearing away, and constitutes the threat to operating personnel's health.

Further, the extruder provided by the invention further comprises a preheating device, wherein the preheating device comprises a preheating bin and a preheating hopper, the preheating bin is arranged on the main frame body and communicated with an air outlet of each heating bin, the preheating hopper is buckled above an air inlet of the Roots blower, and the preheating bin and the preheating hopper are connected through a pipeline.

The invention further provides an extruder, which further comprises a control device, wherein the control device comprises an imaging detection sub-device, a comparison sub-device, a P L C and a spinneret plate die conducting sub-device, the imaging detection sub-device is erected on the auxiliary frame body and is used for shooting and collecting a melt-blown curtain formed by melt-blowing of the spinneret plate die, the comparison sub-device is used for receiving data collected by the imaging detection sub-device and comparing the data with historical data, the difference information is transmitted to the P L C after the difference information is compared, the P L C drives the spinneret plate die conducting sub-device erected on the auxiliary frame body to conduct the spinneret plate die through a driving circuit, the traditional equipment ensures the processing quality through a manual drawing inspection mode, once a production defect is found, the machine needs to be stopped, the spinneret plate die is dismantled, the whole process needs to consume a refurbishment working day, and the production efficiency is greatly reduced.

Furthermore, the extruder provided by the invention is characterized in that observation windows are arranged on the machine cabinet corresponding to the raw material conveying module, the melt-blowing module and the winding module, and transparent partition plates are arranged on the observation windows.

Further, the extruder provided by the invention is characterized in that the machine cabinet is provided with a plurality of access holes.

Further, the extruder provided by the invention is characterized in that the cabinet is of a double-layer structure, and a sound insulation material is filled in an interlayer of the cabinet.

Compared with the prior art, the extruder provided by the invention has the following advantages: on one hand, the waste heat recovery device is arranged, high-temperature air flow sprayed out by the spinneret plate die is recovered and filtered to be supplied to the heating device to further heat the material conveying pipeline, and the heat energy conversion efficiency is improved; on the other hand, the newly added imaging detection device replaces the traditional manual screening mode, defects are found in time, a spinneret plate die is trimmed in time, and the production efficiency is obviously improved; besides, the cabinet adopts a double-layer structure, sound insulation materials are filled in the interlayer, and the working noise level is effectively reduced.

Drawings

FIG. 1 is a schematic view of an extruder according to the present invention;

FIG. 2 is a schematic view of the internal structure of an extruder according to the present invention;

FIG. 3 is a schematic view of the first position change of FIG. 2;

FIG. 4 is a schematic view of the second position change structure of FIG. 2;

FIG. 5 is a schematic structural diagram of an extruder control device according to the present invention.

The device comprises a cabinet 1, a cabinet 2, a raw material conveying module 3, a melt-blowing module 4, a winding module 5, a control device 6, a main frame body 7, a material conveying pipeline 8, a screw extruder 9, a screen changer 10, an elliptical metering pump 11, a feeding hopper 12, a screw motor 13, an observation window 14, an inspection opening 15, a spinneret plate mold 16, a Roots blower 17, an air heater 18, a sub-frame body 19, a web forming conveying belt 20, a guide roller 21, a slitting roller 22, a winding roller 23, an electrostatic electret 24, a high-pressure generator 25, a heating bin 26, a blower 27, a heat energy box 28, a waste heat collecting box 29, a through hole 30, filter cotton 31, a preheating bin 32, a preheating hopper 33, an imaging detection sub-device 34, a ratio device 35, P L C36 and a sub-pair sub-spinneret plate mold conducting sub-device 36.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;

it should be noted that, in the description of the present invention, it should be noted that the terms "front", "back", "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the present embodiment provides an extruder, which includes a cabinet 1, and a raw material conveying module 2, a melt-blowing module 3, a winding module 4, and a control device 5, which are disposed in the cabinet 1;

the raw material conveying module 2 comprises a main frame body 6, a material conveying pipeline 7, a screw extruder 8, a screen changer 9 and an elliptical metering pump 10; the main frame body 6 is welded on the inner side wall of the cabinet 1; the material conveying pipeline 7 is erected on the main frame body 6, the material conveying pipeline 7 is sequentially connected with a feeding hopper 11, a screen changer 9 and an elliptical metering pump 10 in series, a feeding port of the feeding hopper 11 penetrates through the cabinet 1, and 4 heating devices are wrapped on the outer wall of the material conveying pipeline 7 between the feeding hopper 11 and the screen changer 9; the screw extruder 8 comprises a screw and a screw motor 12, the screw is inserted into the inner cavity of the material conveying pipeline 7, the screw motor 12 is installed on the main frame body 6, an output shaft of the screw motor 12 is sleeved with a driving belt pulley, the end part of the screw is sleeved with a driven belt pulley, and a belt is sleeved between the driving belt pulley and the driven belt pulley; observation windows 13 are formed in the positions, corresponding to the raw material conveying module 2, the melt-blowing module 3 and the winding module 4, of the cabinet 1, transparent partition plates are mounted on the observation windows 13, the cabinet 1 is of a double-layer structure, sound insulation materials are filled in an interlayer of the cabinet 1, and a plurality of inspection holes 14 are formed in the cabinet 1;

the melt-blown module 3 comprises a spinneret plate die 15, a Roots blower 16 and an air heater 17; the spinneret plate die 15 is supported on the main frame body 6 and communicated with the material conveying pipeline 7; the Roots blower 16 is fixed on the main frame body 6, the air heater 17 is fixed on the main frame body 6, an air inlet of the air heater 17 is connected with the Roots blower 16, and an air outlet pipeline of the air heater 17 is connected with the spinneret plate die 15;

the furling module 4 comprises an auxiliary frame body 18, a net-forming conveyer belt 19, a guide roller 20, a slitting roller 21, an electrostatic device and a furling roller 22; the subframe body 18 is welded on the inner side wall of the cabinet 1; the auxiliary frame body 18 is sequentially provided with a net-forming conveyer belt 19, a guide roller 20 and a winding roller 22, the net-forming conveyer belt 19 is arranged right below the spinneret plate die 15, and the slitting roller 21 is arranged on the auxiliary frame body 18 and is arranged on one side of a guide path of the guide roller 20; the electrostatic device comprises an electrostatic electret 23 and a high voltage generator 24, the electrostatic electret 23 is erected on the subframe body 18 and is arranged on one side of the guide path of the guide roller 20, and the high voltage generator 24 is installed on the subframe body 18 and is electrically connected to the electrostatic electret 23.

As a preferred technical solution of this embodiment, as shown in fig. 3, each of the heating devices includes a heating chamber 25 and a blower 26, the heating chamber 25 is wrapped around the material conveying pipeline 7, the blower 26 is disposed outside the heating chamber 25, air is blown into the heating chamber 25, an inner cavity of the heating chamber 25 is divided into a heating channel by a partition board disposed in a winding manner, an inlet of the heating channel is communicated with the blower 26, an air outlet is formed in a side wall of the heating chamber 25 at an outlet of the heating channel, the blower 26 includes a blower body and a blower motor, 4 blower bodies are covered in a heat energy tank 27, and the blower motor of each blower 26 extends out of the heat energy tank 27; the waste heat recovery device comprises a waste heat collection box 28, the waste heat collection box 28 supports the web-forming conveyer belt 19, the waste heat collection box 28 is arranged right opposite to the spinneret plate die 15, a plurality of through holes 29 are densely distributed on the end face of the waste heat collection box 28 right opposite to the spinneret plate die 15, and the end face of the waste heat collection box 28 is communicated with the heat energy box 27 through a pipeline; the waste heat collecting box 28 is filled with filter cotton 30; in addition, the temperature of the air flow after waste heat recovery and utilization is still higher than the air temperature, the preheating device is specially arranged, the preheating device comprises a preheating bin 31 and a preheating hopper 32, the preheating bin 31 is arranged on the main frame body 6 and communicated with an air outlet of each heating bin 25, the preheating hopper 32 is buckled above an air inlet of the Roots blower 16, and the preheating bin 31 is connected with the preheating hopper 32 through a pipeline; by this preheating device, the air flow to be passed through the air heater 17 is preheated, and the heating power consumption can be effectively reduced.

As shown in fig. 5, the control device 5 includes an imaging detection sub-device 33, a comparison sub-device 34, a P L C35 and a spinneret mold conducting sub-device 36, the imaging detection sub-device 33 is mounted on the sub-frame 18 and is used for capturing images of a melt-blown curtain formed by melt-blowing of the spinneret mold 15, the comparison sub-device 34 is used for receiving data collected by the imaging detection sub-device 33 and comparing the data with historical data, the difference information is transmitted to the P L C35 after the difference information is compared, and the P L C35 drives the spinneret mold conducting sub-device 36 mounted on the sub-frame 18 through a driving circuit to conduct the spinneret mold 15.

The working process and principle are that when in production, raw materials are fed into a material conveying pipeline 7 from a feeding hopper 11, a screw motor 12 is started, the materials enter a heating device pipe section along the material conveying pipeline 7 under the driving action of a screw, the materials are gradually changed into molten liquid from granules or powder, the molten materials enter a spinneret plate die 15 after being filtered by a screen changer 9 and calculated by a flow meter of an elliptical metering pump 10, a Roots blower 16 and an air heater 17 are started, air flow is pressurized into the air heater 17 by the Roots blower 16, heated air is input into the spinneret plate die 15, high-pressure high-temperature gas extrudes the molten materials out of a dead plate die, the extruded filamentary materials fall onto a web forming conveying belt 19 to form melt-blown cloth, on one hand, the melt-blown cloth is wound on a winding roller 22 under the guiding action of a guide roller 20, in the process, the melt-blown cloth is cut by a slitting roller 21, the melt-blown cloth is subjected to electrostatic processing by an electret 23 after being cut, the melt-blown cloth is wound on the winding roller 22, on the melt-blown cloth, on the melt-blown out and electrostatic processed, on the other hand, the melt-blown cloth enters a filter unit 3528, the melt-blown cloth passes through a filter unit, the heat collecting unit, the heat energy of the melt-processed cotton passes through a filter hopper 7, the air inlet 19, the air inlet of the melt-blown cloth, the melt-blown cloth passes through a heat-processing unit, the melt-blowing unit 30, the melt-processing cloth enters a heat-processing unit, the heat-processing.

The invention is not described in detail, but is well known to those skilled in the art.

Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.